Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba630f33d5ea2bf4…

MALICIOUS

PDF

190.2 KB Created: 2015-07-24 23:31:35 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9864b89a60bf341cf5509bc98ce9cd47 SHA-1: 156acdd13732594d367a988d14128e9bd904915c SHA-256: ba630f33d5ea2bf4f1d453e19731179c41e29d9c87812ab83f00c5df5002abd8
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as malicious. This suggests the document is designed to redirect users to a harmful website, likely for phishing or malware delivery. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D0%9E%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86+%D1%83%D1%87%D0%B5%D1%82%D0%BD%D0%B0%D1%8F+%D0%BF%D0%BE%D0%BB%D0%B8%D1%82%D0%B8%D0%BA%D0%B0+%D0%B0%D0%B2%D1%82%D0%BE%D0%BD%D0%BE%D0%BC%D0%BD%D0%BE%D0%B3%D0%BE+%D1%83%D1%87%D1%80%D0%B5%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BD%D0%B0+2014+%D0%B3%D0%BE%D0%B4&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193053_vnutrennie_bolezni_ryabov_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187487_fotoshop_skachat_besplatno_bez_sms_bez_registracii.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186354_veber_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002537b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2537B 3556 bytes
font_01_sfnt_off000260fe.bin
a9882bfead4addd8a81cb2b003483e09bb46e64e4ce6d71923c8f5a80b917f90		 pdf-font-stream PDF embedded font (sfnt) at offset 0x260FE 14404 bytes
font_02_sfnt_off00028e3b.bin
61e05c383d3a88386d72ceedd650cf9c08fe095a59bfc4320f33e28ff664c122		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28E3B 14468 bytes
font_03_sfnt_off0002b8ee.bin
f6b793a8f2641ee605b3749848cf25a56efafd02820ef2b7f8773be1821a3b40		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B8EE 7536 bytes
font_04_sfnt_off0002cf28.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF28 6084 bytes
font_05_sfnt_off0002debd.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2DEBD 3752 bytes

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